incubator-cassandra-user mailing list archives

Re: if cassandra isn't ideal for keep track of counts, how does digg count diggs?

Date

Tue, 06 Apr 2010 17:17:01 GMT

Chris,
When you so patch, does that mean for Cassandra or your own internal
codebase?
Sounds interesting thanks!
On Tue, Apr 6, 2010 at 12:54 PM, Chris Goffinet <goffinet@digg.com> wrote:
> That's not true. We have been using the Zookeper work we posted on jira.
> That's what we are using internally and have been for months. We are now
> just wrapping up our vector clocks + distributed counter patch so we can
> begin transitioning away from the Zookeeper approach because there are
> problems with it long-term.
>
> -Chris
>
> On Apr 6, 2010, at 9:50 AM, Ryan King wrote:
>
> > They don't use cassandra for it yet.
> >
> > -ryan
> >
> > On Tue, Apr 6, 2010 at 9:00 AM, S Ahmed <sahmed1020@gmail.com> wrote:
> >> From what I read in another thread, Cassandra isn't used for isn't
> 'ideal'
> >> for keeping track of counts.
> >> For example, I would undertand this to mean keeping track of which
> stories
> >> were dugg.
> >> If this is true, how would a site like digg keep track of the 'dugg'
> >> counter?
> >> Also, I am assuming with eventual consistancy the number *may* not be
> 100%
> >> accurate. If you wanted it to be accurate, would you just use the
> Quorom
> >> flag? (I believe quorom is to ensure all writes are written to disk)
>
>